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, 249 (4967), 380-6

Three-dimensional Structure of Cellobiohydrolase II From Trichoderma Reesei

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Three-dimensional Structure of Cellobiohydrolase II From Trichoderma Reesei

J Rouvinen et al. Science.

Erratum in

  • Science 1990 Sep 21;249(4975):1359

Abstract

The enzymatic degradation of cellulose is an important process, both ecologically and commercially. The three-dimensional structure of a cellulase, the enzymatic core of CBHII from the fungus Trichoderma reesei reveals an alpha-beta protein with a fold similar to but different from the widely occurring barrel topology first observed in triose phosphate isomerase. The active site of CBHII is located at the carboxyl-terminal end of a parallel beta barrel, in an enclosed tunnel through which the cellulose threads. Two aspartic acid residues, located in the center of the tunnel are the probable catalytic residues.

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